 | | Journal (article/letter/editorial) | | del Fraile (Fig. 2) has been mined since the rich silver discoveries at Tres Puntas and Chimbero more than...abruptly at about 500 feet and changed from rich silver-chloride ore above to relatively low-grade primary...1148-1150). In the Remolinos mine and at Ladrillos de Plata (Fig. 2), where gold and silver, respec tively, were...pyrite. In the region as a whole, however, gold and silver ores are rare in the primary zone. Weathering and...great depth of the water table. In the Dulcinea mine, for example, chalcocite, as a product of supergene |  | | Journal (article/letter/editorial) | | geochemical study of element mobility in sulfide mine tailings of Fe oxide Cu–Au deposits from the Punta...potential (about 3 wt.% calcite and 4 wt.% pyrite). Acid mine drainage (AMD) with the precipitation of schwertmannite...ferric polymers or colloids in the form of neutral mine drainage (NMD). This would explain the metal enrichments...oxide Cu – Au deposits; Tailings; Carbonates; Acid mine drainage (AMD); Enrichment; Cementation zone; Schwertmannite;...extractions 1. Introduction The formation of acid mine drainage (AMD) subsequent to sulfide oxidation is |  | | Journal (article/letter/editorial) | | (1962), and parts of it are in the overlapping gold, silver, and iron provinces. The zones of supergene enriched...guide to later workers. Unpublished reports of many mine examinations made by Hector Flores W. and Ruiz during...thickness of the Punta del Cobre Formation exposed in mine workings and at the surface is 680 m (Segerstrom...part of the formation, 1.5 km northwest of Teresita mine, contains Crioceras andinum Gerth and other...of a small syncline (PL 3, fig. 2). At the Teresita mine, relatively thick-bedded Abundancia limestone |  | | Show/Event (guide) | | 213 623 4000 Booth#: N215,N217 Silver and Stainless Steel. a k Silver The Gold Land, Deira, Dubai Shop...0-097-142-250-076 www.aksilver925.com Booth#: W619, W621 Silver jewelry. aBBey’S TreaSureS inc P.O. Box 253 Burbank...abkstyl.pl Booth#: N622 Amber jewelry in sterling silver. JOGS SHOW | 133 List of Exhibitors aBSoluTe...W715, W717, W719 One-of-a-kind handmade sterling silver jewelry with intricate inlay designs. aBuJa chaMBer...Booth#: Ballroom W2 Manufacturer and designer of silver, stainless steel, fashion, and marcasite jewelry |  | | Journal (article/letter/editorial) | | .............................................. Silver .................................................mostimportantore depositsare thoseof copper, iron, silver, gold, and manganese. The primary minerals are...mining in Chile: Copper Molybdenum Lead Zinc Gold Silver Mercury Iron ore Manganese ore 548,528 metric...Fe metric tons, 46.3% Mn Most of the gold and silver and all the molybdenum producedduring 1959 were...cobalt--Hornkohl(8); tungsten--McAllisterand Ruiz (12); silver--Flores (6) andWhitehead(20); mercury--McAllister |  | | Journal (article/letter/editorial) | | REGIONAL GEOLOGY MINING OF THE CHANARCILLO SILVER DISTRICT AND ADJACENT AREAS, CHILE 1 KENNETH ........................... 1257 1258 Potential silver resources .......................................for its fabulous bonanzas,is in a long belt of silver-producingmining districts in northern Chile. Part...Cretaceous (?) age are the hosts of the rest of the silver depositsof the region. All of the formations are...faults that follow the same NNE trend as that of the silver deposits,and which are cut by northwest-strikingfaults |  | | Report (issue) | | AND PAHAGENESIS OF THE CASTRDVIRHSYNA LEAD-ZINC-SILVER DEPOSITS, PERU By Richard Wheatley Lewis, Jr. ...sporadically since its discovery in 1591. Supervene silver ores vere first mined. Currently the district produces...about 20,000 tons of laad*sinc ore and 50OO tons of silver ore annually* The district: Is underlain by Tertiary... Supervene enrichment of silver is found at shallow depths in all deposits. Silver at San Genaro, however...from galena at Caudalosa, and the deposition of silver sulfide and sulfosalts at San Genaro* Maslnajn |  | | Show/Event (guide) | | Booth#: W715, W717 One of a kind handmade sterling silver jewelry with precious stones from around the world...Booth#: Ballroom W2 Manufacturer and designer of silver, stainless steel, fashion, and marcasite jewelry...jewelry with gemstones. List of Exhibitors AF SILVER DESIGN, LLC. 51 Dante Ave Hicksville, New York 11801...jewelry, rings, earrings, pendants, 925 Sterling Silver jewelry. AGAZI AYELE EXPORT IN PRECIOUS STONE...pl Booth#: W410 Amber jewelry set in sterling silver and designer amber jewelry. AMBER ART/UNIQUE & |  | | Journal (article/letter/editorial) | | district. nage of rich ore containinggold as well as silver in the Calera vein in the late 1970s and early...AndahuaValley, a largeasymmetric Formation.Within the Calera mine, a thick sequence grabenthat boundsthe districton...vein showingprincipal mine workings.3800, 3880, 3950, 4015, and 4055 indicatemain mine levels,which repr...andsplitRamal1, respectively. ModifiedafterOrcopampa mine staff. Rocksrich in sericiteand The locationsof...splits alongA-A' in Figure 4. Numbersindicatemain mine levelsand horizontally ruledareasarestopes minedasofJuly |  | Gibson, Peter Craig, Noble, Donald C., Benavides, Raúl G., Mayta, Oscar T. (1993) Discovery, Development, and Production of a Blind Ag-Au Bonanza in the Calera Vein, Orcopampa District, Peru. International Geology Review, 35 (9) 780-796 doi:10.1080/00206819309465557 | Journal (article/letter/editorial) | | intermediate composition. Early-produced ores contained silver as freibergite and had very high Ag/Au ratios....tonnage of rich ore containing gold as well as silver was discovered in 1983. Reserves of 2,383,240 short..., 1 9 9 0 ) . T h e district was t h e largest silver p r o d u c e r a n d t h e largest private gold...n of a l m o s t 5 million troy o u n c e s of silver a n d a b o u t 3 0 t h o u s a n d troy o u n...1960, and began mining 70 short tons per day of silver ore in 1967 under an agreement with the Sindicato |  | | Journal (issue) | | occurrences 46 Cerro Pelado area 46 Loma Larga mine 48 Manganese mine 48 Sacachispas gold mining area 48 Alluvial...Non-metallic mineral occurrences 48 Jerusalein feldspar mine 48 Quarrying operations 49 Brick clays 49 Sand and...sampling programme 49 Introduction 49 Gold and silver 49 Arsenic, antimony, bismuth and tellurium 49...for example to the north of La Bocana near Santa Teresita, and westwards towards the Quebrada Tahufn Grande... collected from the Rio Piedras near to Santa Teresita (Aspden et al., 1992 and Figure 5). The K Ar |  | | Journal (article/letter/editorial) | | com/locate/oregeorev Regional geological setting of Guanajuato silver-gold deposits and quantitative petrophysical assessment...of one of the world famous silver-gold deposits type is presented. The silver-gold vein system occurs in...Reyes-Salas, 2007; ArandaGómez et al., 2012). tonnes of silver (Randall-Roberts, 2009a,b). Hydrothermal mineralization...displacement of 1200 m near Las Torres mine and of 1700 m at the Valenciana Mine. The Veta Madre vein was discovered...diagenesis (e.g. Gifkins et al., 2005). Near El Cubo mine the Calderones formation includes thin (3–5 m thick) |  | | Catalog/List | | collecting quartz in Montana, calcite in Utah, silver, galena, sphalerite, and amethyst in Creede, Colorado...ACANTHITES L Kongsberg Silver Mines — ' Kongsberg, Buskerud, Norway Major Kongsberg Silver Piece. What a super...super aesthetic combination of native wire silver growing atop calcite crystals with acanthite. This represents...left. Situated in the middle is the “trunk” of the silver tree that starts at a thickness of about 1 cm and...perfect famous From Ex: specimen. the ring of wire silver which Kongsberg Swethelm (circa Estimated Value |  | | Book | | other sights in the area, such as the gold and silver mines, Gallego Mountain, Indian caves, and Mission...specific copper mine below the village of Tejaban. Topographical indicate the mine site is the Barranca...Chihuahua can be made in one day. As a friend of mine affectionately the "Choo Choo to Chihuahua," you'll...when the viceroy of New late in the sixteenth Spain (Mexico) ordered the construction of a fort to...into their territory by miners seeking gold and silver, they were forced to work in the mines and were |  | | Journal (issue) | | Miguel Calvo (who covers the two major shows in Spain), under Letter from Europe. George Robinson and... C/Arc de Sant Marti 79 Local 08032-BARCELONA (SPAIN) S (3) 4504478 • Fax (3) 4504745 By Appt. only ...E - M - S - T - O - N - E Wulfenite, Red Cloud Mine, La Paz Co., Arizona Send $7.50 for our Mineral...Museum of Barcelona, Spain; the Spanish Institute of Geology and Mining, Madrid, Spain; the Vernadsky State...sitting up on a 10 x 10-cm matrix, from the Akchatau mine, Kazakhstan; not even a large bash in the center |  | | Journal (issue) | | Tampa, FL Correspondents Miguel Calvo Zaragoza, Spain Michael P. Cooper Nottingham, England Thomas P....ecord Articles Rare sulfosalts from the Van Silver mine, British C olum bia............................Balacko Famous mineral localities: The Brownley Hill mine, Alston Moor, Cumbria, England....................COVER: ATACAMITE in GYPSUM, 6.8 cm, from the Lily mine, lea, Peru. Irv Brown collection; Jeff Scovil photo...V4C 3G8 In British Columbia the Silver Tunnel o f the Van Silver mine has produced hundreds o f rare and |  | | Journal (article/letter/editorial) | | [59], Tonga Trench, Tonga [60], Betic Cordilleras, Spain [61,62], and Mururora Atoll, French Polynesia [63]...residents of Navilawa village. The assistance of Teresita Chua, Ritushree Chatterjee, and Blake Bergerud...367–400. Richards, J.P.; Kerrich, R. The Porgera gold mine, Papua New Guinea: Magmatic hydrothermal to epithermal...fluid inclusion characteristics of the Tuvatu gold-silver telluride deposit, Fiji: Comparisons with the Emperor...Simpson, M.P.; Mauk, J.L. The Favona epithermal gold-silver deposit, Waihi, New Zealand. Econ. Geol. 2007, |  | | Journal (issue) | | crystals on matrix, 17.2 cm, from the N’Chwaning I mine, collected in 1978. Private collection and photographer...Show and Riverpark Inn Rhodochrosite, Sweet Home Mine, USA, 10 cm Photo: Malte Sickinger MARCUS BUDIL...budil-minerals.com Chrysocolla on Malachite Mashamba West Mine Democratic Republic of Congo 26 cm - Joe Budd Photo...mineral shows worldwide! Rhodochrosite - Sweet Home Mine, Colorado - 13cm | Brazilianite - Minas Gerais,...from the Hotazel mine emerged onto the international market. The N’Chwaning I mine, opened in 1972, yielded |  | | Report (issue) | | Willden __________ _ 193. Geology of the ~ount Wheeler mine area, White Pine County, Nevada, by Donald H. Whitebread...intrusion of the Cameron Creek laccolith, near Silver City, New Mexico, by Walden P. Pratt and Willian1..._ 229. Facies change in Neocomian rocks of the Teresita-Chula area, Atacama Province, Chile, by Kenneth...stress distribution around coal mine workings in Sunnyside No. 1 mine, Utah, by Frank W. Osterwald---...Accident mine American mine Bright Star mine Brown Bear mine Brunswick mine Calmich mine Centenial mine Eldorado |  | | Journal (issue) | | except the Dale Beck Valley, Dry Gill and Carrock End Mine. Grahamis hoping to get the permit system properly...still very much a 'frontier place'. One supposed mine was started by a character called Otto van Stryk...Stryk who thought he had found a huge iron mine. Alas, he never got any useable ore out of it. Rick went... So now it is recognised as a potential uranium mine! Another anecdote involved a light plane brought...jeremeejevite, silver topaz, aquamarine, amethyst, fluorapatite and tourmalines. Rossinguranium mine, a uraniferous |  | | Report (volume) | | chiefly lead, zinc, and antimony, but also gold and silver, are widely distributed between Bernal and Jalpan...gastropods occur in the thin beds at Las Animas mine and 0.75 km west of Arquitos. The ammonites also...nearly to El Jagiiey, undiminished in thickness. A mine opening at San Martin Ajuchitlan, 4 km west-southwest...circular shape is in the vicinity of the Poder de Dios mine, 5 km north of Final de Amoles. This plug is 800...it is cut in the underground workings of a large mine at San Martin Ajuchitlan. Pena de Bernal is probably |  | | Book | | The Bewitchment of Silver This series ofpublications on Africa, Latin America, and Southeast Asia...Press, or Ohio University. The Bewitchment of Silver The Social Economy of Mining in Nineteenth-Century...Cataloging-it7-P1tblica~ion Deostua, Jost. The bewitchment of silver : the social economy of mining in nineteenth-century...Nineteenth-Centurylry Peru: Queen Silver, Prince Copper Mines, Mineowners, and Mine Workers: Mining as Social...Registered Silver Production in Peru and Pasco, 1771-1898 2.2. Volume, Price, and Value of Silver Production | | | Journal (issue) | | Miguel Calvo (who covers the two major shows in Spain). under Leller from Europe. George Robinson and...· E · M · S · T· 0 · N · E Wulfenite, Red Cloud Mine, La Paz Co., Arizona Send $7.50 for our Mineral...Museum of Barcelona. Spain: the Spanish Institute of Geology and Mining. Madrid. Spain; the Vcmadsky State...sitting up on a I O x I 0-cm matrix, from the Akchatau mine, Kazakhstan; not even a large bash in the center...these two cases breathlessly end ). from the l'ouyva mine near Saranpaul in the Polar Urals. Russia. there |  | | Report (issue) | | important commodity. Abbreviations are as follows: Ag - Silver As - Arsenic Au - Gold Co-Cobalt Cu - Copper Fe...(flasks) 500,000 Molybdenum 500,000 Nickel 500,000 Silver 10,000 Uranium 10,000 Zinc 1,000,000 > Medium...DIGENITE. NATIVE SILVER. PERCYLITE. GALENA. SILVER OXIDES Data ATACAMITE:CHRYSOCOLLA - 3:1 SILVER OXIDES - 10-14...10-14 G/T AG: SILVER SULFIDES >25 G/T AG AND ARE IN A SOLID SOLUTION WITH COPPER SULFIDES Analytical...NA OR BORNITE/CHALCOPYRITE IN SULFIDE ZONE: SILVER CONCENTRATED WHERE BORNITE/CHALCOPYRITE REPLACED |  | | Journal (issue) | | fluorite crystal group, 7 cm, from the Huanzala mine, Dos de Mayo Province, Peru. Marty Zinn collection;...province, department of Huanuco Huanzala mine Mercedes mine Chiurucu mine Uchucchacua district, Dos de mayo...mayo province, department of Huanuco Hercules mine, Ticapampa district, Recuay and Aija provinces, department...Carrion province, department of Pasco Colquijirca mine, Cerro de Pasco province, department of Pasco Atacocha...Huarochiri province, department of Lima Santa Rita mine, Morochocha district, Yauli province, department |
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